Question about Campbell Hausfeld 1,350 Psi Electric Pressure Washer With Auto Detail Kit #PW1350

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Can't seem to separate the lance from the gun. Got the unit from an estate and it hasn't been used in 2 years.

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Hey there...

If the lance and hose have been sitting for an extended period of time, they may have rusted inside, and are likely to cause issues when they are put back in service. Usually best to replace the expendables like hoses and guns if they have gunked up. 1300 psi is not much, but with a restricted lance nipple, you're getting 700psi...

Posted on Feb 03, 2010

Testimonial: "Hadn't considered rust as a problem, appreciate your insight and will try separation more aggressively knowing I will probably have to replace anyway."

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Model CPW 1800 2 lance guns have developed leaks when pumping against dead end. Do these washesr have a pressure relief valve . Can this be replaced?


Byronj25, you can get the internal part that has most likely failed here. http://www.sparesgiant.com/p-4993-annovi-reverberi-210-gun-valve-kit-with-o-s-2291.aspx. You may want to dismantle it though and check that the black elbow tube has not failed also, as that part is obsolete and so would require a full new Lance. New Lance link http://www.sparesgiant.com/p-5002-champion-cpw-yellow-hl2-annovi-reverberi-gun-large-bayonet-40409.aspx

May 21, 2011 | Annovi Reverberi Garden

1 Answer

On high pressure it pulsates


First you have to do is try the machine without load. Attach everything as usual but do not attach the lance. Put on machine with water supply already on. If you close the gun the machine should stop. If you open the gun ( always with out lance)....the machine should start sending the water a bit far. If this is OK....then you have a lnance with a faulty, blocked NOZZEL.
NOrmally the machine stops when gun is released because there is a valve (Spill Valve) that actuates a electrical micro switch. This in turn closes off te electric supply...stopping the machine.
If with out lance your problem is still there....then the spill valve is faulty and the machine starts pulsating. AS I first said you must be sure that the nozzel is OK, so that you can blame the Spill Valve. When the spill valve is faulty the machine pulsates at high pressure.
I raely service Spill Valves (Control Valves). I change with a new one. When open the cover using a TORX T15 screw driver....you locate the spill valve where there are 2 wires coming out. Some machines have the spill valve incorporated with the head and the intake and delivery valves unit. This I advize to change with new parts. These all in one heads are very good because at one go you change the spill valve and the other valves in one go.
Therefore in a few words you either have a blocked nozzel...or you have the spill valve faulty.
So I advice again to try the machine with out the lance. If when gun is closed machine stops and stays that way ..it means the spill valve is doing its job. If when putting back the lance and the pressure starts to pulsates...the lance nozzel is faulty and thus causing simptyms on the spill valve. Also try to use machine with a new lance...having a new nozzel.
Fulltech.

Feb 18, 2011 | Karcher K2.26 Electric Power Washer

1 Answer

K 3.65 Can't separate spray lance from trigger gun


Most lances need to be pushed firmly toward the trigger nozzle before being twisted to release.

Feb 08, 2011 | Garden

1 Answer

Removing lance from gun on McCulloch FH140A pressure washer


The Karcher is the same, and possible made the Mac. It's likely the sealing 'O' ring has deteriorated and stuck the two parts together. Try a little petrol around the joint to soften the 'O' ring. Perhaps it will come apart then. You will need a new o-ring however.

Apr 20, 2010 | McCulloch 1400 Psi Electric Pressure...

2 Answers

I have a karcher K3.98 pressure washer. The unit surges when I put the wand on and then it stops working. I tried cleaning the wand (didn't make any difference) I then tried another wand from my son's unit...


Dear davedulmage,
To see if the unit is OK....first you must switch it on without water and without high pressure hose and gun. If machinr works smoothly, try by attaching a water supply. Now run the pump with water coming out of the outlet. If also in this case all runs smooth, then attach high pressre hose with gun but without lance. Put on the machine with gun open(to reduce initial resistance) and when you see a clear flow of water coming out...close the gun. The machine should stop. In this case I am suspecting that when you open again the gun the machine will not work. So it seems that when pressure is built in the pump a fault is occuring in the Spill Valve or also called Control Valve. When the gun is closed and pressure built up, this spill valve contracts and switches the pump off. When the gun is opened, the spill valve extends, putting the machine on and closing a valve at the base of the spill valve. So in your case it seems that the spill valve needs to be renewed. A spill valve gets stuck by incorrect using of the pump. For example leaving the pump with pressure in it for a long time. Also it gets stuck by detergents and chemicals. Sometimes I lubricate Spill Valves with high quality silicon grease....but it is much more practical to change it. When a new spill valve is put in....always run the pump with no load. This by usiing the gun without lance or wands, resulting in low pressure. If all OK...add a lance or wand that you are sure it is good. One final thing....to get to this spill valve you must put apart the body and expose the pump. If you are not that good at doing this job...it is better done by a more knowledgeable person. But changing the spill valve is worth it....because it is cheaper than a new machine.
Regards,
Fulltech.

May 19, 2009 | Karcher Garden

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